package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Service;

@Mapper
public interface UserMapper {
//根据openid查询用户
@Select("select  * from user where openid=#{openid}")
User getByOpenid(String openid);
//插入数据
    void insert(User user);
}